210979197

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9643}}^1$

素因数の和:9690

約数の個数: 48

約数和(自身を含む): 379124928

約数和(自身を除く): 168145731

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 1287, 1683, 1989, 2431, 7293, 9643, 21879, 28929, 86787, 106073, 125359, 163931, 318219, 376077, 491793, 954657, 1128231, 1378949, 1475379, 1803241, 2131103, 4136847, 5409723, 6393309, 12410541, 16229169, 19179927, 23442133, 70326399, 210979197]

約数ペア:

[(1, 210979197), (3, 70326399), (9, 23442133), (11, 19179927), (13, 16229169), (17, 12410541), (33, 6393309), (39, 5409723), (51, 4136847), (99, 2131103), (117, 1803241), (143, 1475379), (153, 1378949), (187, 1128231), (221, 954657), (429, 491793), (561, 376077), (663, 318219), (1287, 163931), (1683, 125359), (1989, 106073), (2431, 86787), (7293, 28929), (9643, 21879)]